说明： 关于常见网络问题故障分析及处理的解决方法。一、了解常见的网络故障现象，二、掌握故障的判断和定位方法，三、能够处理简单的网络故障。 (on common network fault analysis and processing solutions. 1, the common understanding of network fault, two, the master of judgment and fault location, three, be able to handle simple network fault.)
